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All results from a given calculation for NBr3 (Nitrogen Tribromide)

using model chemistry: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-7776.164022
Energy at 298.15K-7776.173336
HF Energy-7776.164022
Nuclear repulsion energy824.135724
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 460 442 1.17      
2 A1 221 213 0.44      
3 E 597 573 56.85      
3 E 597 573 56.84      
4 E 152 145 0.47      
4 E 152 145 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 1089.5 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 1045.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/TZVP
ABC
0.04303 0.04303 0.02183

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.614
Br2 0.000 1.806 -0.041
Br3 1.564 -0.903 -0.041
Br4 -1.564 -0.903 -0.041

Atom - Atom Distances (Å)
  N1 Br2 Br3 Br4
N11.92111.92111.9211
Br21.92113.12823.1282
Br31.92113.12823.1282
Br41.92113.12823.1282

picture of Nitrogen Tribromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 N1 Br3 109.011 Br2 N1 Br4 109.011
Br3 N1 Br4 109.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.194      
2 Br 0.065      
3 Br 0.065      
4 Br 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.754 0.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.941 0.000 0.000
y 0.000 -56.941 0.000
z 0.000 0.000 -61.823
Traceless
 xyz
x 2.441 0.000 0.000
y 0.000 2.441 0.000
z 0.000 0.000 -4.882
Polar
3z2-r2-9.764
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.183 0.000 0.000
y 0.000 11.182 0.000
z 0.000 0.000 5.034


<r2> (average value of r2) Å2
<r2> 381.892
(<r2>)1/2 19.542